S-94640A350 5/8"-18 Weld Nuts

Key Features & Benefits at a Glance

• Superior strength and durability from 4130 alloy steel construction, ideal for high-stress industrial environments
• Precise, reliable fastening with Class 2B thread fit ensuring consistent engagement and vibration resistance
• Optimized for tube systems with specific compatibility for 1-1/4" tube OD and 0.095" wall thickness
• Enhanced thread engagement through fully threaded UNF fine thread design for superior load distribution
• Streamlined installation with right-hand threading following industry-standard directional conventions
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing applications
• Robust 1-1/2" height profile providing substantial bearing surface for secure welded connections

Professional Applications & Engineering Value

This 5/8"-18 UNF weld nut delivers critical performance in demanding industrial and automotive applications where tube connections require exceptional reliability. The 4130 alloy steel construction provides superior tensile strength and fatigue resistance, addressing common failure points in high-vibration environments. The fully threaded right-hand design with UNF fine threading ensures maximum thread contact area, distributing stress evenly across the connection point. Specifically engineered for 1-1/4" tube OD systems with 0.095" wall thickness, this tube end nut solves alignment and sealing challenges in hydraulic, pneumatic, and structural tubing applications. The combination of precision manufacturing and heavy-duty materials makes it an ideal solution for OEMs and maintenance teams requiring dependable, long-lasting fastening performance.

Specification Summary & Compliance

This weld nut features Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. The 5/8"-18 UNF fine thread specification maintains tight tolerances for critical applications. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming adherence to international regulatory requirements for hazardous substance restrictions. The product is specifically designed for 1-1/4" tube OD applications with 0.095" wall thickness, providing engineered compatibility for industrial tube fitting systems.